package com.atguigu.five;

import com.atguigu.util.RabbitMqUtils;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.DeliverCallback;

/**
 * @author gan
 * @create 2021-07-08 17:46
 *
 * 消息接收2
 */
public class ReceiveLogs02 {
    //交换机的名称
    public static final String EXCHANGE_NAME = "logs";

    public static void main(String[] args) throws Exception {
        Channel channel = RabbitMqUtils.getChannel();

        //声明一个交换机
        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");

        //声明一个队列 临时队列
        /**
         * 生成一个临时队列，队列的名称是随机的
         * 当消费者断开与队列的连接的时候，队列就自动删除
         */
        String queueName = channel.queueDeclare().getQueue();

        /**
         * 绑定交换机与队列
         */
        channel.queueBind(queueName, EXCHANGE_NAME, "");
        System.out.println("等待接收消息，把接收到的消息打印在屏幕上。。。。");

        //接收消息
        DeliverCallback deliverCallback = (consumerTag, message) -> {
            System.out.println("ReceiveLogs02控制台打印接收到的消息：" + new String(message.getBody(), "UTF-8"));
        };

        //消费者取消消息时间回调接口

        channel.basicConsume(queueName, true, deliverCallback, consumerTag -> {});
    }
}
